Veryfi Classification API

openapi: 3.1.0
info:
  title: Veryfi OCR Any Documents Classification API
  description: The Veryfi OCR API extracts structured data from financial documents including receipts, invoices, bank statements, checks, W-2s, W-8s, W-9s, business cards, contracts, and more. The API uses AI-powered OCR to capture line items, taxes, totals, barcodes, vendor details, and other financial data across 91 currencies and 38 languages with enterprise-grade accuracy.
  version: v8
  contact:
    name: Veryfi Support
    url: https://docs.veryfi.com/
    email: support@veryfi.com
  license:
    name: Proprietary
    url: https://www.veryfi.com/terms/
servers:
- url: https://api.veryfi.com/api/v8
  description: Veryfi OCR API v8
security:
- clientId: []
  apiKey: []
tags:
- name: Classification
paths:
  /partner/classify:
    post:
      operationId: classifyDocument
      summary: Classify a Document
      description: Submit a document for classification to determine its type before processing. Returns the detected document type to route to the appropriate extraction endpoint.
      tags:
      - Classification
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                file_url:
                  type: string
                  format: uri
                  description: URL of document to classify
                file_data:
                  type: string
                  description: Base64-encoded document
                document_types:
                  type: array
                  items:
                    type: string
                  description: Restrict classification to specific document types
                  example:
                  - receipt
                  - invoice
                  - bank_statement
                  - w2
                  - w9
      responses:
        '200':
          description: Document classification result
          content:
            application/json:
              schema:
                type: object
                properties:
                  document_type:
                    type: string
                    description: Detected document type
                  confidence:
                    type: number
                    format: float
                    description: Classification confidence score (0-1)
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Error:
      type: object
      description: API error response
      properties:
        status:
          type: integer
          description: HTTP status code
        error:
          type: string
          description: Error type
        message:
          type: string
          description: Human-readable error message
  securitySchemes:
    clientId:
      type: apiKey
      in: header
      name: CLIENT-ID
      description: Your Veryfi account client identifier
    apiKey:
      type: apiKey
      in: header
      name: AUTHORIZATION
      description: 'API key in format: ''apikey USERNAME:API_KEY'''
    requestSignature:
      type: apiKey
      in: header
      name: X-Veryfi-Request-Signature
      description: HMAC-SHA256 signature for request validation